Alan Donald Lopez AC FASSA FAHMS (born 1951) is an Australian global and public health scholar and epidemiologist who focuses on the measurement of population health and the global descriptive epidemiologist of tobacco. He was a Melbourne Laureate Professor and the Rowden-White Chair of Global Health and Burden of Disease Measurement at The University of Melbourne. He is also the Director of the Global Burden of Disease Group in the Melbourne School of Population and Global Health and a member of the Disease Control Priorities Project.